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Safety equipment and damage detection method

A technology of security equipment and detection methods, applied in the direction of internal/peripheral computer component protection, instruments, cash registers, etc., can solve the problems that security equipment is easy to be cracked, so that it is not easy to trigger by mistake, increases the difficulty of attack, and has good stability Effect

Inactive Publication Date: 2016-10-12
福建睿矽微电子科技有限公司
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AI Technical Summary

Problems solved by technology

[0004] The technical problem to be solved by the present invention is to provide a security device to solve the problem that the security device is easily cracked

Method used

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  • Safety equipment and damage detection method
  • Safety equipment and damage detection method
  • Safety equipment and damage detection method

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Embodiment Construction

[0019] In order to describe the technical content, structural features, achieved goals and effects of the present invention in detail, the following will be described in detail in conjunction with the embodiments and accompanying drawings.

[0020] see figure 1 , is a schematic structural diagram of a safety device of the present invention, including a housing, a dielectric layer, a conductive layer, a capacitance detection circuit, and a response circuit. The dielectric layer, the conductive layer, and the capacitance detection circuit are located inside the housing, and the conductive layer It includes a first conductive layer and a second conductive layer, the first conductive layer is relatively fixed to the housing, a dielectric layer is arranged between the first conductive layer and the second conductive layer, the capacitance detection circuit is connected to the second conductive layer, the The response circuit is connected with the capacitance detection circuit, and ...

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Abstract

The invention provides safety equipment and a damage detection method. The safety equipment comprises a casing, a dielectric layer, conducting layers, a capacitance detection circuit and a response circuit, wherein the dielectric layer, the conducting layers and the capacitance detection circuit are located in the casing; the conducting layers comprise a first conducting layer and a second conducting layer, the first conducting layer is relatively fixed with the casing, the dielectric layer is arranged between the first conducting layer and the second conducting layer, the capacitance detection circuit is connected with the second conducting layer, the response circuit is connected with the capacitance detection circuit, and the capacitance detection circuit is used for enabling the response circuit when detecting change of capacitance between the first conducting layer and the second conducting layer. The problem that the safety equipment is cracked easily is solved.

Description

technical field [0001] The invention relates to the field of safety design, in particular to a safety device. Background technique [0002] Security devices need to resist various types of attacks in security applications to ensure that important data is not stolen. At present, more and more fields need to provide high security, such as mobile payment, point-of-sale terminals (POS), smart card readers, ATMs, PIN pads, smart cards in traditional banking services, and set-top boxes in the field of digital rights management (DRM) , mobile TV, etc. [0003] At present, the anti-dismantle technology of POS machine mainly adopts Switch (switch, protective contact, zebra strip, etc.) and Mesh (metal grid). On, the internal detection circuit outputs a trigger signal to clear the protected data. The disadvantage of this kind of physical mechanical switch is that it is not stable and reliable enough, and it is easy to trigger by mistake. Moreover, the Switch and Mesh detection circ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F21/87G07G1/00
CPCG06F21/87G07G1/00
Inventor 周媛媛叶松林峰
Owner 福建睿矽微电子科技有限公司
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